b-r-k bbook bckdk bcock bdoor bo-bo bobko boboc bobok bobr bocor bodd- bodoc bodor bokko bokod bokok bokor boock booco booko boord booru borbo borck bordo borko borku boro- borod borok boroo borou borro bouck boudu bouko bourd brcko brobo brock brodd brodo brood brook broud brouk brrrr bruck brud- bucco bucko bucku bucur buddu budko budoc budur bukk- bukor buord burck burcu buroo burro burru buruc burud buruk c-cor ccccc co-bo co-co cocc- cocco cocur codco codo codru cokk- coord corbo corbu coro- corod couco courb courd couru crock croco crodo crood crook croud crouk cruck crudo cruor cubo- cubub cucuk cukor cuoco curro d-cru d-rod d-rok dc-uk ddddd ddruk do-do dobok dobro dodoo dodro dokdo dokuo doodo dooku dorud doruk douck douro drbob drobo drock drood drook drouk du-ku dubbo dubuc ducor duddo dudok dudou duduc duduk dukku duroc durok k-b-d k-rob ko-ko kobru kobuk kodok kodur kokko kokor kokou kokur koord kooru korbo korck korku koror korro koruk koudo krock krodo kubok kucuk kudou kudur kukko kukok kukur kurbu kurku kuruc kurud kuruk o-r-b obock obodo oboro obrok obudu occur ockro ocr-b oddur odour odudu oduro okkur okobo okoc okoro okubo okuku okuru ooooo ordoc ordro orduc orobo oroco orodo oruku oruro ouoro r-co- ro-ro robbo robo- robor robur rocco rocko rocor rocou rodbo rodoc rodok rodor rokkk roodu rorbu rouko rubor rudkk rudok u-dub ubobo ukcdr ukobu ukodo urduk uroob urour urubu urucu uuork uuuuu